EP4718848A2 - Reference sample padding and filtering for intra prediction in video compression - Google Patents

Reference sample padding and filtering for intra prediction in video compression

Info

Publication number
EP4718848A2
EP4718848A2 EP26157859.5A EP26157859A EP4718848A2 EP 4718848 A2 EP4718848 A2 EP 4718848A2 EP 26157859 A EP26157859 A EP 26157859A EP 4718848 A2 EP4718848 A2 EP 4718848A2
Authority
EP
European Patent Office
Prior art keywords
intra prediction
prediction modes
angles
modes
intrapredangle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP26157859.5A
Other languages
German (de)
English (en)
French (fr)
Inventor
Liang Zhao
Xin Zhao
Xiang Li
Shan Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent America LLC
Original Assignee
Tencent America LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of EP4718848A2 publication Critical patent/EP4718848A2/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP26157859.5A 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression Pending EP4718848A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862698526P 2018-07-16 2018-07-16
US16/202,876 US10630979B2 (en) 2018-07-16 2018-11-28 Reference sample padding and filtering for intra prediction in video compression
PCT/US2019/035116 WO2020018181A1 (en) 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression
EP19838093.3A EP3824626B1 (en) 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP19838093.3A Division EP3824626B1 (en) 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression
EP19838093.3A Division-Into EP3824626B1 (en) 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression

Publications (1)

Publication Number Publication Date
EP4718848A2 true EP4718848A2 (en) 2026-04-01

Family

ID=69139809

Family Applications (2)

Application Number Title Priority Date Filing Date
EP26157859.5A Pending EP4718848A2 (en) 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression
EP19838093.3A Active EP3824626B1 (en) 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19838093.3A Active EP3824626B1 (en) 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression

Country Status (6)

Country Link
US (4) US10630979B2 (https=)
EP (2) EP4718848A2 (https=)
JP (6) JP7106661B2 (https=)
KR (3) KR102635400B1 (https=)
CN (2) CN112236997B (https=)
WO (1) WO2020018181A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10630979B2 (en) 2018-07-16 2020-04-21 Tencent America LLC Reference sample padding and filtering for intra prediction in video compression
CN113709459B (zh) * 2019-01-02 2023-06-23 Oppo广东移动通信有限公司 帧内预测方法、装置及计算机存储介质
JP7575355B2 (ja) * 2021-06-29 2024-10-29 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

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US7609763B2 (en) * 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US8885701B2 (en) * 2010-09-08 2014-11-11 Samsung Electronics Co., Ltd. Low complexity transform coding using adaptive DCT/DST for intra-prediction
US9008175B2 (en) * 2010-10-01 2015-04-14 Qualcomm Incorporated Intra smoothing filter for video coding
KR20120140181A (ko) * 2011-06-20 2012-12-28 한국전자통신연구원 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치
CN104247422B (zh) * 2011-11-07 2018-09-11 华为技术有限公司 用于改进帧内预测的新的角度表的方法和装置
US9344722B2 (en) * 2011-11-18 2016-05-17 Futurewei Technologies, Inc. Scanning of prediction residuals in high efficiency video coding
KR101654446B1 (ko) 2012-01-13 2016-09-05 샤프 가부시키가이샤 화상 복호 장치, 화상 부호화 장치 및 부호화 데이터의 데이터 구조
US11323699B2 (en) * 2012-04-16 2022-05-03 Electronics And Telecommunications Research Institute Encoding method and decoding method, and device using same
US9967594B2 (en) * 2013-06-28 2018-05-08 Mozilla Corporation Probability modeling of intra prediction modes
CN107211121B (zh) * 2015-01-22 2020-10-23 联发科技（新加坡）私人有限公司 视频编码方法与视频解码方法
US20180255304A1 (en) * 2015-03-29 2018-09-06 Lg Electronics Inc. Method and device for encoding/decoding video signal
US20160373770A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
US20160373742A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
US10602138B2 (en) * 2015-08-27 2020-03-24 Lg Electronics Inc. Method and device for chroma sample intra prediction in video coding system
WO2017105141A1 (ko) * 2015-12-17 2017-06-22 삼성전자 주식회사 영상을 부호화/복호화 하는 방법 및 그 장치
EP3453174B1 (en) * 2016-05-06 2024-11-27 InterDigital Madison Patent Holdings, SAS Method and system for decoder-side intra mode derivation for block-based video coding
CA3025488A1 (en) * 2016-05-25 2017-11-30 Arris Enterprises Llc Weighted angular prediction for intra coding
EP4604517A3 (en) * 2016-12-23 2025-11-12 Huawei Technologies Co., Ltd. An intra-prediction apparatus for extending a set of predetermined directional intra-prediction modes
US10630979B2 (en) * 2018-07-16 2020-04-21 Tencent America LLC Reference sample padding and filtering for intra prediction in video compression

Also Published As

Publication number Publication date
JP7106661B2 (ja) 2022-07-26
KR102459185B1 (ko) 2022-10-27
KR102635400B1 (ko) 2024-02-13
CN112236997A (zh) 2021-01-15
CN112236997B (zh) 2023-09-26
US10630979B2 (en) 2020-04-21
US11128863B2 (en) 2021-09-21
JP2026050371A (ja) 2026-03-19
US12231629B2 (en) 2025-02-18
US11736685B2 (en) 2023-08-22
JP7791271B2 (ja) 2025-12-23
WO2020018181A1 (en) 2020-01-23
JP2022132417A (ja) 2022-09-08
US20200221082A1 (en) 2020-07-09
EP3824626A1 (en) 2021-05-26
KR20240023237A (ko) 2024-02-20
US20200021803A1 (en) 2020-01-16
KR20200125683A (ko) 2020-11-04
JP7305851B2 (ja) 2023-07-10
KR20220143971A (ko) 2022-10-25
JP2024169525A (ja) 2024-12-05
JP2021513815A (ja) 2021-05-27
JP2023115281A (ja) 2023-08-18
EP3824626B1 (en) 2026-04-08
US20230379457A1 (en) 2023-11-23
JP2026041971A (ja) 2026-03-10
US20210377522A1 (en) 2021-12-02
JP7559149B2 (ja) 2024-10-01
CN117156140A (zh) 2023-12-01
EP3824626A4 (en) 2022-04-20

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